Mental Math is a workbook devoted to mastering mental calculation for fourth grade students. Math researchers concur that the ability of students to make math pictures in their minds of the values and sizes of numbers readies them for learning addition, subtraction, multiplication, and more. This series will show students how to work out math problems in their minds, an important part of math proficiency. Important computation quick tips and thinking shortcuts are provided. This collection is part of the successful Singapore Math series, and was written in Singapore and adapted from the world-renowned Singapore math curriculum. From here, students will easily progress to the next math level. It features 64 reproducible pages and an answer key. Directly correlated to Singapore Math textbooks, this comprehensive practice series allows learners to practice various types of math problems while developing their thinking and analytical skills. Learning objectives and unit assessments are included to ensure that students obtain a thorough understanding of each concept. Perfect as a supplement to classroom work or as a homeschool resource, these workbooks will boost confidence in problem-solving and critical-thinking skills.